Home / 16,649.40-23,003.18-16,485.56

Finding the Fourth Proportional to 16,649.40, 23,003.18 and 16,485.56

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Solution

The fourth proportional to 16,649.40, 23,003.18 and 16,485.56 is: 22,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,649.40 : 23,003.18 = 16,485.56 : x
  2. Step 2: Convert to fraction form
    16,649.40/23,003.18 = 16,485.56/x
  3. Step 3: Cross multiply
    16,649.40x = 23,003.18 × 16,485.56
  4. Step 4: Simplify right side
    16,649.40x = 379,220,304.08
  5. Step 5: Solve for x
    x = 379,220,304.08/16,649.40
  6. Step 6: Final answer
    x = 22,776.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.